Musnad Abu Ya'la al-Mawsili 152:161

Waki' narrated to us, Mas'udi narrated to us, from 'Amr ibn Murrah, from Ibrahim, from 'Alqamah, from 'Abdullah, from the Prophet (peace and blessings of Allah be upon him), who said: "What have I to do with the world? My likeness and the likeness of the world is only like a rider who rested in the shade of a tree on a summer day, then departed and left it."